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The Osprey Exos 38 Pack is a ultralight backpack for minimalist hikers. The smallest of the brood, the Exos 38 brings you comfort while remaining lightweight for your speedy adventures on the trail. The comfort comes from the ExoForm™ harness and hipbelt, a mesh covered EVA foam that won't cut into your skin and will provide breathability. The AirSpeed™ suspension steps in for internal support with its 6065 aluminum alloy frame. You can always drop more weight from the pack by removing the top pocket and sleeping pad straps, or if you need more gear, attach it using the tie-off points at the front.

Osprey Peripheral Frame
Peripheral frame was a departure from the norm many years ago and it’s still the foundation of our gear hauling packs. A wire frame runs along the outside of the backpanel directly connecting the upper load lifters and the central core of the pack to the hipbelt to transition and spread the load. Allowing natural torsional movement, effective adjustable torsos, and different load range and backpanel builds makes this suspension design truly innovative.

Please note that the info provided above refers to the torso size each pack will fit, and NOT any dimensions of the pack. Below are some steps for how to get your torso length. You should probably have someone help take this measurement for you so it is accurate. And they might accidentally touch your butt.

HOW TO MEASURE TORSO LENGTH:
• Start at the iliac crest, which is the top of the hipbones on the side of your body. These act like a shelf for supporting a pack hipbelt.
• From this level on your spine, measure to the C7 vertebrae, the knobby bone at the base of your neck when you put your head down.
• Make sure you keep your back as straight as possible while measuring.
• This torso measurement determines what size Osprey pack you should carry. Refer to the size charts above to find your ideal size.
• If you are in between sizes, it is ideal to try them both on before ordering.

HOW TO MEASURE HIPBELT SIZE:
• Measure around your hips at your iliac crest, NOT your waist.
• A properly fitted hipbelt rides centered over the hipbones and needs to be very snug.
• The padded portion should wrap well around your hips, leaving a gap of 3 to 6 inches between the tips of the both hip pads when securely tightened.
• Refer to the Hipbelts size chart above to help determine your ideal Osprey pack size, but again, your torso length is what should determine your pack size, NOT the hipbelt.

Rated 5 out of
5 by
Anonymous from
Love these packs!After months of searching for a good pack for day hikes up 14ers I finally choose the Exos 38. One of the best packs I've ever owned. The removable top compartment isn't a feature I'll ever use so the extra material that serves as the secondary top cover is a slight annoyance. The top compartment also doesn't sit very well if the pack isn't fully loaded up. And other than the lack of color options(wishing there was a dark grey/burnt orange, but I'm nitpicking) this pack is solid. I've used the 38 and 58 on multiple 12+ mile hikes and never had any problems. Still amazed that it's as light as it is for what it can carry. I used to be a devoted Black Diamond pack user. Osprey has pretty much won me over with the Exos.

Date published: 2016-08-01

Rated 5 out of
5 by
Anonymous from
My Favorite BackpackThis is my go-to backpack for extended backpacking trips. It is lightweight without completing sacrificing framing so it does handle heavy awkward objects, such as bear canisters. Obviously built with minimalism in mind, Osprey has done certain things to make it more comfortable. I do not recommend heavy loads with this pack. This is for the lightweight backpacker only.

Date published: 2016-08-06

Rated 5 out of
5 by
Kent from
This pack is outstanding. I love it. It's like your crush loving you back (and your back).I've been struggling to get hooked up with the right daypack and I am now happily married to this one. Still in the honeymoon period, but I'm feeling like this will last.,,,,I've taken this on 3 hikes now and I feel like I have returned to my true nature. It is so light and supportive and... freeing. I have purposely over-packed it to enhance my training and to test out the equipment and I can't find any complaint with it. This thing is ready to get moving. I took it to the top of the Castle Dome Trail with 25 lbs and came home feeling fine. No hurts, grievances, or regrets.,,,,-The fabric is super stretchy and durable (so far).,,-The straps are not Isoform, but they're a cut above other brands' glorified bookbag straps.,,-The blue is striking. Think Duke jerseys.,,-The Flap Jacket is the BEST new feature. I just stuff my lid with the usual and stick that in my bag like a dry sack.,,-Hip pockets are bigger than most.,,-Airspeed technology stands as a testament to human ingenuity. ,,,,A+

Date published: 2014-03-19

Rated 5 out of
5 by
Anonymous from
Thru-hiker tried, tested and approved!I am a long distance hikers with two Appalachian Trail thru-hikes under my belt and around 5,000 miles hiked. I've used and been exposed to many types of packs from those weighing ounces to 5 or 6 lbs. But I've never seen a better made pack than the Osprey Exos 58. My first impression was good at REI when I loaded it with all of my gear and put it on was bliss as it fit comfortably and was so light. As I hiked the pack continued to meet and exceed my expectations as I exceeded the pack weight limitations of around 30 lbs by 15 lbs with 45lbs with a weeks worth of food and water. (Not recommended long term) I love the "trampoline" where the pack frame is about 2" off of your back and a mesh sits on your back so that wind passes between you and your pack preventing the awful sweaty pack back! I'm not the only one who loves this pack as on my AT thru-hike this pack is becoming the dominant pack in the AppalachianTrail community. Check it out for yourself and you may soon own one of your own! - Squarepeg 2013 250 mile Appalachian Trail section hiker, 2015 & 2016 Appalachian Trail thru-hiker.

What is a good size for a more weekend camp out or a day pack for an out of country trip?

Asked by: natedog3299

It all depends on what you are planning on putting in it for your trip. To kind of put it in perspective, this is 38 liters, whereas an average school backpack is around 25 liters. This is about 1 and a half times bigger than your average school bag, so you should be able to fit quite a few things for a trip or even just a weekend of camping.

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